31729555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 13428845

約数列:

[1, 5, 11, 13, 55, 65, 143, 199, 223, 715, 995, 1115, 2189, 2453, 2587, 2899, 10945, 12265, 12935, 14495, 28457, 31889, 44377, 142285, 159445, 221885, 488147, 576901, 2440735, 2884505, 6345911, 31729555]

約数ペア:

[(1, 31729555), (5, 6345911), (11, 2884505), (13, 2440735), (55, 576901), (65, 488147), (143, 221885), (199, 159445), (223, 142285), (715, 44377), (995, 31889), (1115, 28457), (2189, 14495), (2453, 12935), (2587, 12265), (2899, 10945)]